You are attempting to secure a MySQL server by using SSL encryption.
On starting MySQL, you get this error:
130123 10:38:02 [ERROR] mysqld: unknown option '—ssl'
What is the cause of the error?（）
A.The — ssl level was not specified
B.The server was not started with the – enable–ssl-plugin option
C.— ssl is not a valid server option
D.The mysqld binary was not compiled with SSL support
E.The server's SSL certificate was invalid
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You examine the output of SHOW GLOBAL STATUS and notice that the value of Created_tmp_disk_tables is consistently increasing.
Which two variables would likely fix this issue?（）
A.Table_open_cache
B.Table_open_cache_instancs
C.Table_definition_cache
D.Tmp_table_size
E.Max_heap_table_size
F.Max_tmp_tables
Which three methods will show the storage engine for the Country table?（）
A.A
B.B
C.C
D.D
E.E
Consider the MySQL Enterprise Audit plugin, You add the following lines to the my.cnf configuration tile: [mysqld] Plugin-load=audit_log.so Audit-log=FORCE_PLUS_PERMANENT You attempt to start up the MySQL service and notice that it fails to start.
Which two statements would explain why the service did not start?（）
A.FORCE_PLUS_PERMANENT is not valid for the audit-log option
B.The audit_log.so library does not exist
C.The audit_log.so library is in a location that is different from that defined by the plugin_dir option
D.The audit plugin must be loaded dynamically by using the INSTALL PLUGIN command
E.The audit log file does not exist in which to write audit events
F.The audit_log.so library is not an executable file
You use—login-path to access a MySQL server on a Linux installation.
Which statement is true about the – login-path option that is created by using mysql_config_editor?（）
A.All system users have access to the MySQL server via—login path local
B.login-path can be used only for MySQL servers running on a local machine
C.login-path allows you to provide login credentials without passing clear text passwords on the command line
D.When using – login-path to connect to a remote MySQL server, the remote server version must be 5.6 or later
A.Allowing a client to kill other client connections
B.Allowing a client to shut down the server
C.Allowing change of the server runtime configuration
D.Allowing client accounts to take over the account of another user
You have table 'apps','userdata' on server that uses MyISAM storage engine.
You want to transfer this data to server but use InnoDB engine instead. You execute the following commands: ServerB commands:
Shell＞ mysqldump –u root –h server –no-data apps userdata | mysql –u root –p apps
Shell＞ mysql –u root –p –h server –e 'ALTER TABLE 'apps','userdata' ENGINE=InnoDB;'
Shell＞ mysqldump –u root –p –h server –no-create-info –order-by-primary apps userdata | mysql –u root –p apps
What effect does the – order-by-primary argument have on the mysqldump command?（）
A.It exports tables with the most indexes first to assist with import speeds
B.It ensures that unique indexes have no conflicts when the data is dumped
C.It orders by primary key to assist in speeding up importing to InnoDB tables
D.It must be specified so index data is dumped correctly when –on-create-info is used
A user executes the statement;
PURGE BINARY LOGS TO 'mysql-bin.010';
What is the result?（）
A.It deletes all binary log files, except 'mysql-in.010'
B.It deletes all binary log files up to and including 'mysql-bin.010'
C.It deletes all binary log files before 'mysql-bin.010'
D.It deletes all binary log files after 'mysql-bin.010'
A.The snapshot size will continue to grow as changes to the volume are made
B.The snapshots take a significant amount of disk space as they are a duplicate copy of the data
C.The system can only support one snapshot per volume, and you need to remove it to be able to take your next backup
D.The system keeps a copy of changes in memory and can cause an out of memory event
MySQL is installed on a Linux server and has the following configuration:
What is the purpose of changing ownership of datadir to the ‘mysql’ user?（）
A.MySQL requires correct file ownership while remaining secure
B.MySQL needs to be run as the root user, but file cannot be owned by it
C.MySQL cannot be run as the root user
A.Thread memory is pre-allocated up to thread_cache_size for performance
B.Each connection may have its own per-thread memory allocations
C.Global memory resources are allocated at server startup
D.Each thread allocates memory from a global pool
最新试题
While reviewing the MySQL error log, you see occasions where MySQL has exceeded the number of file handles allowed to it by the operating system.Which method will reduce the number of file handles in use?（）
Which three are properties of the MyISAM storage engine?（）
Compare a typical Distributed Replicated Block Device (DRBD) with MySQL Standard Replication using master-slave replication. Which two statements are correct?（）
In a test database, you issue the SELECT … INTO OUTFILE statement to create a file with your t1 table data. You then TRUNCATE this table to empty it.（）Mysql＞ SELECT * INTO OUTFILE '/tmp/t1.sql' from t1;mysql＞ TRUNCATE t1;
A user executes the statement;PURGE BINARY LOGS TO 'mysql-bin.010';What is the result?（）
What is true regarding InnoDB locking?（）
You have table 'apps','userdata' on server that uses MyISAM storage engine.You want to transfer this data to server but use InnoDB engine instead. You execute the following commands: ServerB commands:Shell＞ mysqldump –u root –h server –no-data apps userdata mysql –u root –p appsShell＞ mysql –u root –p –h server –e 'ALTER TABLE 'apps','userdata' ENGINE=InnoDB;'Shell＞ mysqldump –u root –p –h server –no-create-info –order-by-primary apps userdata mysql –u root –p appsWhat effect does the – order-by-primary argument have on the mysqldump command?（）
You have taken a Logical Volume Manager (LVM) snapshot backup of a volume that contains the MySQL data directory. Why is it important to remove snapshots after completing a RAW backup in this way?（）
A MySQL replication slave is set up as follows: User all InnoDB tablesReceives ROW-based binary logs Has the read-only optionThe replication slave has been found in an error state.You check the MySQL error log file and find the following entries:2013-08-27 13:55:44 9056 [ERROR] Slave SQL: Could not execute Write_rows event on table test.tl; Duplicate entry ‘3’ for key’PRIMARY’ , Error_code: 1062; handler error HA_ERR_FOUND_DUPP_KEY; the event’s master log 56_master-bin.000003, end_log_pas 653, Error_code: 10622013-08-27 13:55:44 9056 [Warning] Salve: Duplicate entry ‘3’ for key ‘PRIMARY’Error_code: 10622013-08-27 13:55:44 9056 [ERROR] Error running query, slave SQL thread aborted. Fix theproblem, and restart the slave SQL thread with “SLAVE START”, We stopped at log ‘56_masterbin.000003’ position 496 What are two possible causes for this error to occur?（）
You use—login-path to access a MySQL server on a Linux installation.Which statement is true about the – login-path option that is created by using mysql_config_editor?（）